Knowledge Hub

Astro icon
Astro
vs
Next.js icon
Next.js
vs
Fresh icon
Fresh

Web Frameworks features

Compare the features of the Web Frameworks to help you choose the right one for your needs.

FeatureAstroNext.jsFresh

Written in

JavaScript

JavaScript

TypeScript

Template Language

The syntax or language used to define the layout and structure of web pages.

Astro, HTML, Markdown, JavaScript, JSX

JSX

JSX

Based on JS framework

React
Preact

Built-in module bundler

Vite
Turbopack
Uses esbuild internally

Static pages (SSG)

Dynamic pages (SSR)

Developer Experience

TypeScript support

Serverless Functions (API)

Small pieces of code that run on-demand without managing servers, typically used for API endpoints.

Focus on plugin system

Themes ecosystem

Hot reloading

The ability to instantly see changes in the browser without refreshing the page when developing.

Code Splitting

The ability of splitting code into smaller chunks to load them only when needed, improving performance.
Manual Code Splitting

Content Preview

Allows content editors to see live changes to draft content in a staging environment before it goes live.

Builit-in Optimizations

Third-party Script Optimization

Optimizing external scripts (like analytics or ads) to improve the performance and loading speed of your website.

Image Optimization

An option to disable runtime JS

For certain use cases, like static HTML + CSS websites where interactivity isn't needed, shipping JavaScript is unnecessary.
No runtime JS required by default
experimental feature

Critical CSS Extraction

Extracting only the CSS needed for the initial page load to improve performance.

Community example

experimental feature
N/A

Starters or examples with common use cases

Data fetching

Methods to fetch data from APIs or other sources, either at build time or runtime.

10+ Headless CMS examples

Authentication

Community example

Adding search

Ecommerce

Security

Regular security audits by external researchers

Environment Variables

Variables used to configure applications based on different environments (development, production).

Content Security Policy (CSP)

Custom HTTP headers rules

Community example